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Level II Challenges (155)

All challenges in Level II, ordered by date posted (the most recent appear first).

Handycipher — Part 2

[kallick-02] - 7 users already solved this challenge.
 
 
 

Handycipher is a newly designed cipher to permit pen-and-paper encrypting and decrypting, while providing a significantly high level of security. From the 1142-character plaintext 229 characters somewhere in it are known.
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Published on: 2015-03-03 23:34
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#7) Achieved points (Global score) y-m-d - h:m:s

Alain (Integral) 1232 (207924) 2015-06-09 23:28:30
Michael Möller (michaelm) 1187 (253046) 2015-09-20 13:16:49
Em Doulgerakis (Greko) 1140 (145541) 2016-09-06 10:35:51
George Lasry (george4096) 1125 (372955) 2017-05-27 01:48:16
#5 Nicolas (nicosPavlov) 1116 (257791) 2018-01-30 02:15:53
#6 D3d4lu5 (D3d4lu5) 1109 (363488) 2018-11-01 19:59:30
#7 Random Dude (rnd) 1104 (98856) 2019-07-21 17:29:33
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